Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 645 · 40 questions

Code tip (Pages for everyone): Headings go down one level at a time: h1 → h2 → h3 (they may jump back up). Alt text on images, clear link text, labels on form boxes, big enough text. Strong contrast (black on white, yellow on black) is easy to read; light grey on white is not.

1. 1.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
2. 2.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
3. 3.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
4. 4.♿ Who uses a screen reader? (a) only coders (b) only robots (c) people who are blind (d) only teachers
5. 5.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
6. 6.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h3> (b) <h4> (c) <h2> (d) <h5>
7. 7.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
8. 8.Which colour pair is hard to read? (a) light grey on white (b) yellow on black (c) white on dark blue (d) black on white
9. 9.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h3> → <h5> (a) No (b) Yes
10. 10.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
11. 11.♿ Which link text is clearest? (a) click here (b) here (c) link (d) Read the fruit facts
12. 12.Which colour pair is hard to read? (a) yellow on white (b) black on white (c) white on black (d) white on dark blue
13. 13.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
14. 14.True or false: “images with no alt” makes the page harder to use. (a) False (b) True
15. 15.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
16. 16.♿ What does good colour contrast mean? (a) no colours at all (b) text stands out clearly (c) only red text (d) many bright colours
17. 17.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
18. 18.Which colour pair is easy to read? (a) dark grey on white (b) light grey on white (c) blue on purple (d) yellow on white
19. 19.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
20. 20.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
21. 21.True or false: “skipping heading levels” helps everyone use the page. (a) True (b) False
22. 22.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
23. 23.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
24. 24.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
25. 25.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
26. 26.True or false: “tiny grey text” helps everyone use the page. (a) True (b) False
27. 27.True or false: “use headings in order” helps everyone use the page. (a) False (b) True
28. 28.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h1> (b) <h2> (c) <h4> (d) <h3>
29. 29.Which colour pair is easy to read? (a) red on green (b) yellow on white (c) light grey on white (d) white on dark blue
30. 30.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) No (b) Yes
31. 31.Which colour pair is hard to read? (a) yellow on black (b) white on dark blue (c) white on black (d) red on green
32. 32.True or false: “label every form box” helps everyone use the page. (a) False (b) True
33. 33.Which colour pair is hard to read? (a) white on black (b) dark grey on white (c) black on white (d) pink on red
34. 34.Which colour pair is hard to read? (a) black on white (b) yellow on black (c) blue on purple (d) dark grey on white
35. 35.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h4> (b) <h2> (c) <h6> (d) <h3>
36. 36.Which colour pair is easy to read? (a) white on black (b) blue on purple (c) light grey on white (d) yellow on white
37. 37.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h1> (b) <h2> (c) <h6> (d) <h4>
38. 38.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h2> (a) Yes (b) No
39. 39.True or false: “write clear link text” helps everyone use the page. (a) False (b) True
40. 40.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read

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